Portland Weather in December

Portland in December sees pleasant temperatures, with highs around 20°C (68°F) and overnight lows of 10°C (50°F). Overall excellent conditions make it one of the better months to visit.

Rainfall in Portland in December

Typically, you can expect about 7 days of rain this month, with 33 mm (1.3 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Portland in December

Weather in Portland is at its excellent in December. Highs reach 20°C (68°F), while nights settle around 10°C (50°F). The winter season is characteristic of December. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Portland in December

You can expect a moderate amount of sunlight, with approximately 133 hours. This means a pleasant mix of sun and overcast.

If you're a fan of comfortable temperatures and drier conditions, December is a great time to visit.